Our Field of Research
Our research fields are briefly described below.
These fields are closely related to other areas of astrophysical and astronomcal research.
Solar Physics => [Detailed information]
High resolutional observations by the 60cm Domeless
Solar Telescope and SMART are
intensively carried out for investigation of the processes of
energy storage, release, and transportation in the solar atmosphere. The main areas of interest are in
atmospheric oscillations, the evolution of small-scale magnetic
structures, coronal heating, and flares. These studies also underly investigations
of stellar and galactic activity as well as the role of
mangetised plasma in these activities. Coordinated observations and data analysis are also
undertaken with domestic and overseas institutes, such as NASA, and National
Astronomical Observatory of Japan.
Solar and Space Plasma Physics => [Detailed information]
Using theoretical, numerical, and observational
methods, we resolve the puzzles of highly explosive phenomena in
space, especially magnetohydrodynamic (MHD) explosions and
jets. Observational work deals with solar flare data, stellar
flares, and variable stars. We use mainly X-ray data for this work. There are a
variety of different objectives in our theoretical and numerical studies.
For example, understanding active galactic nuclei (AGN), jets ejected from
proto-stars, MHD processes in accretion disks, and gamma-ray bursts
which are the so-called "deepest mystery in space".
Stellar Physics => [Detailed information]
We study steller atmospheric structure and chemical composition, stellar active
phenomena, stellar winds, cataclysmic variable stars, black
holes, accretion disks, gamma-ray bursts ... space is full of
mysteries. We investigate these topics using spectroscopic, imaging,
and polarization observations using telescopes in Okayama and the Hawaii
observatories of the National Astronomical Observatory of Japan.
We also use the 60cm reflector of Hida Observatory.